Home / 16,885.45-23,292.49-10,513.09

Finding the Fourth Proportional to 16,885.45, 23,292.49 and 10,513.09

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Solution

The fourth proportional to 16,885.45, 23,292.49 and 10,513.09 is: 14,502.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.45 : 23,292.49 = 10,513.09 : x
  2. Step 2: Convert to fraction form
    16,885.45/23,292.49 = 10,513.09/x
  3. Step 3: Cross multiply
    16,885.45x = 23,292.49 × 10,513.09
  4. Step 4: Simplify right side
    16,885.45x = 244,876,043.69
  5. Step 5: Solve for x
    x = 244,876,043.69/16,885.45
  6. Step 6: Final answer
    x = 14,502.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.